Hyper-Converged Infrastructure
Hyperconverged infrastructure (HCI) is a software-defined, unified system that combines all the elements of a traditional data center: storage, compute, networking, and management.
Virtualisation
Virtualization is the process of taking physical computing objects and turning them into software-based alternatives, such as servers and network gear.
Data Center
Data center is simply a physical facility that organizations use to store their critical applications and data.